Materials: Silicone
Size: 160 x 35 mm
Power: USB Rechargeable (2 hours for full charge)
Vibration: 20 Kinds Vibration Frequency,Inhale and Exhale modes
1.Press ① and ② at the same time Until the piolt lamp is on，not flashing，to turn on it
2.Click ① to change the Inhale and exhale speeds
3.Click ② to change the Vibation speeds
4..Press ① and ② at the same time until the piolt lamp goes off to close it
